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United States Patent | 5,655,457 |
Sherman ,   et al. | August 12, 1997 |
A system of suspended supports for aerial transportation like ski lifts, tramways, freight ropeways, and high voltage electricity lines, has a main carrying element which is a long-span cable along the route, and which is suspended at its ends. A plurality of spaced supports for the aerial means are hung from the cable. Each support has a rigid element carrying the carrying cable and guy ropes, one end of which is attached to the rigid element and another end which is anchored in the ground. The guy ropes carry horizontal and upward vertical loads, and torques applied to the rigid element and fix a position of the rigid element.
Inventors: | Sherman; Yury (511 Beech St., Roslindale, MA 02131); Yankelevich; Mark (11 Embassy Rd. Apt. 23, Brighton, MA 02135) |
Appl. No.: | 651264 |
Filed: | May 23, 1996 |
Current U.S. Class: | 104/123; 14/18; 104/124; 104/180 |
Intern'l Class: | B61B 007/00 |
Field of Search: | 104/123,124,125,126,117,173.1,180,196,197 248/59,60,610 14/18,19,20,21 |
1262227 | Apr., 1918 | Miller | 104/126. |
2127235 | Aug., 1938 | Robinson | 14/21. |
2417825 | Mar., 1947 | Janke, Sr. | 14/19. |
3604361 | Sep., 1971 | Denner | 104/125. |
4069765 | Jan., 1978 | Muller | 104/123. |
4953468 | Sep., 1990 | Criessels | 104/123. |
Foreign Patent Documents | |||
561095 | Sep., 1993 | EP | 104/124. |